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Other Employee Benefit Plans
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12 Months Ended |
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Dec. 27, 2014
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| Compensation and Retirement Disclosure [Abstract] | |
| Other Employee Benefit Plans | Other Employee Benefit Plans The Company has a retirement savings plan, commonly known as a 401(k) plan, that allows participating employees in the United States to contribute up to 100% of their pre-tax salary subject to Internal Revenue Service limits. The Company matched 75% of employees' contributions up to 6% of their compensation, to a maximum match of $11,700, $11,475 and $11,250 for 2014, 2013 and 2012, respectively, which is 4.5% (75% of the 6%) of the Internal Revenue Service compensation limit. The Company’s contributions to the 401(k) plan for 2014, 2013 and 2012 were approximately $18 million, $19 million and $22 million, respectively. |